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Multiplying Decimals Worksheet

Speed calculation lesson 18: Decimal × decimal · Set 349 · 40 questions
TalentJR

The fast method (Count the places): Forget the points and multiply the whole numbers: 2.5 × 1.4 → 25 × 14 = 350. Count the decimal places in both numbers: 1 + 1 = 2. Put the point that many places from the right: 3.50 — then drop the 0 at the end: 3.5.

NameDateTime takenScore ___ / 40
  1. 1.3.2 × 3.1 =
  2. 2.0.05 × 2.4 =
  3. 3.0.94 × 2.9 =
  4. 4.0.74 × 2.7 =
  5. 5.0.47 × 0.8 =
  6. 6.0.3 × 3.5 =
  7. 7.4.5 × 0.14 =
  8. 8.7.1 × 1.1 =
  9. 9.0.11 × 3.1 =
  10. 10.8.9 × 2.5 =
  11. 11.4.1 × 0.4 =
  12. 12.0.66 × 2.1 =
  13. 13.2.6 × 1.9 =
  14. 14.1.2 × 0.06 =
  15. 15.0.37 × 3.4 =
  16. 16.1.1 × 1.6 =
  17. 17.7.1 × 0.21 =
  18. 18.0.3 × 0.3 =
  19. 19.4.1 × 0.12 =
  20. 20.0.2 × 2.1 =
  21. 21.3.9 × 0.18 =
  22. 22.0.64 × 1.5 =
  23. 23.0.11 × 2.4 =
  24. 24.6.1 × 0.27 =
  25. 25.0.26 × 1.3 =
  26. 26.0.27 × 2.7 =
  27. 27.0.72 × 2.7 =
  28. 28.8.3 × 0.26 =
  29. 29.7.8 × 0.11 =
  30. 30.2.5 × 0.25 =
  31. 31.3.3 × 0.12 =
  32. 32.0.13 × 3.5 =
  33. 33.5.7 × 0.38 =
  34. 34.0.48 × 1.2 =
  35. 35.2.7 × 0.25 =
  36. 36.0.68 × 3.4 =
  37. 37.9.9 × 3.6 =
  38. 38.0.17 × 2.8 =
  39. 39.6.6 × 0.12 =
  40. 40.0.09 × 0.6 =

Answer key

  1. 9.92
  2. 0.12
  3. 2.726
  4. 1.998
  5. 0.376
  6. 1.05
  7. 0.63
  8. 7.81
  9. 0.341
  10. 22.25
  11. 1.64
  12. 1.386
  13. 4.94
  14. 0.072
  15. 1.258
  16. 1.76
  17. 1.491
  18. 0.09
  19. 0.492
  20. 0.42
  21. 0.702
  22. 0.96
  23. 0.264
  24. 1.647
  25. 0.338
  26. 0.729
  27. 1.944
  28. 2.158
  29. 0.858
  30. 0.625
  31. 0.396
  32. 0.455
  33. 2.166
  34. 0.576
  35. 0.675
  36. 2.312
  37. 35.64
  38. 0.476
  39. 0.792
  40. 0.054

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